diff --git a/.buildkite/tunnelbroker_client.yml b/.buildkite/tunnelbroker_client.yml
new file mode 100644
--- /dev/null
+++ b/.buildkite/tunnelbroker_client.yml
@@ -0,0 +1,10 @@
+env:
+  PATH: "$HOME/.nix-profile/bin:/nix/var/nix/profiles/default/bin:$PATH"
+steps:
+  - label: ':nix: Tunnelbroker Client (Shared)'
+    command:
+      - 'cd shared/tunnelbroker-client'
+      - 'rm -rf target'
+      - 'nix develop --accept-flake-config -c cargo test'
+    agents:
+      - 'mac=true'